Endymion

In Dan Simmons's far-future universe, a young man named Raul Endymion finds himself on a perilous journey across the galaxy. He is tasked with protecting a mysterious woman named Aenea, who may hold the key to humanity's future. Their path is fraught with danger, pursued by relentless forces and the enigmatic Shrike, as they race against time to fulfill a destiny that could change everything.